140162455 has 4 divisors (see below), whose sum is σ = 168194952. Its totient is φ = 112129960.

The previous prime is 140162443. The next prime is 140162461. The reversal of 140162455 is 554261041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140162455 - 2¹¹ = 140160407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14016241 + ... + 14016250.

It is an arithmetic number, because the mean of its divisors is an integer number (42048738).

Almost surely, 2^140162455 is an apocalyptic number.

140162455 is a deficient number, since it is larger than the sum of its proper divisors (28032497).

140162455 is an equidigital number, since it uses as much as digits as its factorization.

140162455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28032496.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 140162455 is about 11839.0225525590. The cubic root of 140162455 is about 519.4501769846.

It can be divided in two parts, 14016 and 2455, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 140162455 in words is "one hundred forty million, one hundred sixty-two thousand, four hundred fifty-five".